Andrew Carignan (elbow) threw a 25-pitch bullpen session Tuesday.
Athletics sent RHP Andrew Carignan outright to Triple-A Sacramento.
Andrew Carignan (elbow) has begun "sock" throws and will start throwing a baseball in two weeks.
Andrew Carignan underwent Tommy John surgery on his right elbow Tuesday.
Athletics transferred RHP Andrew Carignan from the 15-day disabled to the 60-day disabled list.
Andrew Carignan confirmed late Wednesday night that he needs Tommy John reconstructive elbow surgery.
Andrew Carignan could need Tommy John surgery on his right elbow.
Athletics placed RHP Andrew Carignan on the 15-day disabled list with a sprained ulnar collateral ligament in his right elbow.
Athletics recalled RHP Andrew Carignan from Triple-A Sacramento.
Athletics optioned RHP Andrew Carignan to Triple-A Sacramento.
The Athletics will option right-hander Andrew Carignan to Triple-A Sacramento on Tuesday.
Athletics purchased the contract of RHP Andrew Carignan from Triple-A Sacramento.